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Finding the Fourth Proportional to 17,969.95, 26,954.98 and 6,280.44

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Solution

The fourth proportional to 17,969.95, 26,954.98 and 6,280.44 is: 9,420.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.95 : 26,954.98 = 6,280.44 : x
  2. Step 2: Convert to fraction form
    17,969.95/26,954.98 = 6,280.44/x
  3. Step 3: Cross multiply
    17,969.95x = 26,954.98 × 6,280.44
  4. Step 4: Simplify right side
    17,969.95x = 169,289,017.81
  5. Step 5: Solve for x
    x = 169,289,017.81/17,969.95
  6. Step 6: Final answer
    x = 9,420.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.